宁夏本土水稻新品种“宁育104”获国家审定|国产成人精品视频a片西瓜视频
中新网银川7月3日电 (记者 于晶)7月3日,记者从宁夏农林科学院获悉,由该院农作物研究所选育的水稻新品种“宁育104”正式通过国家农作物品种审定委员会审定(审定编号:国审稻20243221)。这是自2003年“宁粳23号”通过国审后,宁夏本土水稻时隔22年再次获得国家级审定,标志着宁夏水稻育种技术取得重大突破。
长期以来,宁夏水稻品种在冲击国家审定过程中面临的主要瓶颈是抗稻瘟病性较弱。由于宁夏气候干燥,稻瘟病发生较轻,导致育种材料抗病性选择压力不足,影响了品种的全国推广。
“宁育104”的诞生打破了这一困境。该品种以“宁粳24号”为母本、引进品种“吉粳88”为父本,通过杂交育种、南繁加代等技术手段多年选育而成。在国家联合体区域试验和生产试验中,“宁育104”表现优异,较对照品种“秋光”分别增产7.3%和10.3%。尤为关键的是,其稻瘟病综合抗性指数达到3.1,稳定达到“中抗”水平,成功破解了宁夏水稻抗病性弱的难题。
除抗病性强外,“宁育104”还具有高产、优质、抗倒伏等优势,适宜规模化轻简化种植。其米质达到部颁《食用稻品种品质》二级优质米标准,米粒晶莹剔透,口感软糯且富有弹性,市场竞争力强。
此外,该品种生态适应性广泛,不仅适宜宁夏引黄灌区种植,还可在吉林晚熟稻区、辽宁北部、内蒙古赤峰、新疆等地区推广,甚至在盐碱地上表现出良好的适应性,为拓展粮食生产空间提供了新选择。
宁夏农林科学院农作物研究所相关负责人表示:“‘宁育104’的成功选育和国审通过,结束了宁夏水稻品种长期缺席国家舞台的局面,为我国北方稻区尤其是西北地区水稻生产提供了强有力的品种支撑。”(完)
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